{"action":"Upgrade expat to 2.2.6-2 or later.","affected":[{"fixed":"2.2.6-2","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.2.6-2"],"id":"tcs_01M5NDBK3X99Z7SVC2D3Q5TP2R","modified_at":"2026-10-15T07:47:36.147585552Z","published_at":"2019-06-24T17:15:09.980Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20843","https://security-tracker.debian.org/tracker/CVE-2018-20843"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20843","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20843"}],"summary":"In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough"}